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Randomised clinical trial: preventive treatment with topical rectal beclomethasone dipropionate reduces post-radiation risk of bleeding in patients irradiated for prostate cancer.

Abstract：

BACKGROUND:Radiotherapy is an established treatment modality for prostate cancer; however, up to a third of patients develops a radiation-induced proctopathy. AIM:To assess the effect of topical beclomethasone dipropionate (BDP) in the prevention of radiation-induced proctopathy in patients undergoing radiotherapy for prostate cancer through a double-blind, placebo-controlled, randomised trial. METHODS:Patients were randomised either to BDP or to placebo (PL). Patients received daily a 3mg BDP enema or identical-looking PL during radiotherapy and, subsequently, two 3mg BDP suppositories or PL for 4 more weeks. Clinical and endoscopic evaluations before, 3 and 12months after the end of radiotherapy were assessed with the RTOG/EORTC toxicity scales, the modified Simple Clinical Colitis Activity Index (SCCAI), the modified Inflammatory Bowel disease Quality of Life Index (IBDQ) and the Vienna Rectoscopy Score (VRS). RESULTS:From June 2007 to October 2008, 120 patients were randomised to the BDP (n=60) and PL (n=60) arms and were followed up for 12months. The overall assessment of rectal side effects did not show significant differences between the two groups of treatment. However, when only rectal bleeding was considered, a significantly reduced risk was observed in patients on BDP (OR 0.38; 95% CI 0.17-0.86; P=0.02; NNT=5). Patients on BDP had also significantly lower VRS scores (P=0.028) and significantly higher IBDQ scores (P=0.034). CONCLUSIONS:Preventive treatment with topical rectal BDP during radiotherapy for prostate cancer significantly reduces the risk of rectal bleeding and radiation-induced mucosal changes and improves patient's quality of life, but does not influence other radiation-induced symptoms.

journal_name

Aliment Pharmacol Ther

journal_title

Alimentary pharmacology & therapeutics

authors

Fuccio L,Guido A,Laterza L,Eusebi LH,Busutti L,Bunkheila F,Barbieri E,Bazzoli F

doi

10.1111/j.1365-2036.2011.04780.x

subject

Has Abstract

pub_date

2011-09-01 00:00:00

pages

628-37

issue

eissn

0269-2813

issn

1365-2036

journal_volume

pub_type

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Randomised clinical trial: preventive treatment with topical rectal beclomethasone dipropionate reduces post-radiation risk of bleeding in patients irradiated for prostate cancer.